title: Immunisation of calves against bovine tropical theileriosis (Theileria annulata) with graded doses of sporozoites and irradiated sporozoites.
mesh_terms: D000818:Animals; D016782:Apicomplexa / Q000276:immunology* / Q000528:radiation effects; D002417:Cattle / Q000276:immunology*; D005720:Gamma Rays; D007114:Immunization; D013801:Theileriasis / Q000276:immunology*